Step-by-step explanation:
A(x) = x² + 10x -75
= (x + 15)(x - 5)
Many lines do. One of them would be y = 2x
P>4
t>4
r>2
for the 4th picture
1 matches with #2
2 matches with #1
4 matches with #3
3 matches with #4
for the 5th picture
3 matches with #1
2 matches with #2
4 matches with #3
1 matches with #4
Answer:
f(-4) = 9
Step-by-step explanation:
To find which expression to use, see which one x = -4 fits in. That is <em>x² - 5</em>, since -4 < 3.
Then, plug in the number: (-4)² - 5
Square: 16 - 5
Subtract: 9
f(-4) = 9
<span>It says to round to the nearest 10th of a foot, so your answer would be 10.2 feet.</span>
